George Duke wrote on Fri, Jul 13, 2007 06:38 PM UTC:
New pieces in argument are DoubleCannon(X) and DoubleBarrel(Z), having
optional second leg. X moves as Rook, Z as Bishop. If and only if to
capture, each turns 45 degrees, jumps one adjacent piece & moves on.
8 ___P___P___ ___P___K___ ___ ___P___P G = Diagonal Narrow Crked NN
7 G___ ___X___ ___Z___P___P___I___ ___ I = Crooked Nightrider(Betza)
6 ___T___ ___D___ ___ ___ ___P___R___O Z = (above)moves Bishop, iff
5 P___ ___ ___P___ ___ ___ ___ ___ ___O to capture 45 degrees, jumps
4 p___ ___ ___ ___b___ ___ ___ ___ ___q X = (above)moves Rook, iff
3 p___ ___ ___p___ ___b___p___q___ ___p to capture 45 degrees, jumps
2 p___ ___ ___ ___q___ ___ ___p___ ___p T = Priest(F.Grand)90-degree
1 p___l___n___ ___ ___l___k___p___l___ continual diagonal one-step
a b c d e f g h i j R = Rose(Betza); l = Alfil
If Pawn-d3 moves, DoubleCannon(Winther 2006)c7-c6-c5(pc.d4)-e3-f2-g1.
If Pawn-g3 moves, DoubleBarrel(Winther 2006)e7-f6-g5(pc.g4)-g3-g2-g1.
If Queen-e2 moves, D.N.Crooked Nightrider(Knappen)moves a7-b5-d4-e2-g1.
If Queen-h3 moves, Crooked NN moves h7-g5-h3-g1.
If Queen-j4 moves, Rose moves i6-j4-i2-g1.
If Knight-c1 moves, Priest moves b6-c5-b4-c3-b2-c1-d2-e1-f2-g1.
If Bishop-f3 or -e4 moves, Dragon-d6(5-square multipath) has one(or two) pathway(s). King cannot move because of Canons-g5 and -g6. (17)